{"id":28860,"date":"2025-09-19T12:01:48","date_gmt":"2025-09-19T10:01:48","guid":{"rendered":"https:\/\/www.telescoop.nl\/?post_type=product&#038;p=28860"},"modified":"2026-08-25T15:10:44","modified_gmt":"2026-08-25T13:10:44","slug":"optolong-filters-l-pro-filter-77mm","status":"publish","type":"product","link":"https:\/\/www.telescoop.nl\/en\/optolong-filters-l-pro-filter-77mm\/","title":{"rendered":"Optolong L-Pro Filter 77mm"},"content":{"rendered":"<h2 class=\"wp-block-heading has-text-align-center\"><strong>Optolong L-Pro Filter 77mm: Natural Colors Under City Lights<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The L-Pro is Optolong's most refined broadband filter: multiple precisely placed passbands block the emission lines of streetlights and natural airglow, while keeping the color balance virtually neutral. This makes it the light pollution filter for objects that need to retain their color: galaxies, star clusters, reflection nebulae, and the Milky Way.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This 77mm version screws directly onto the filter thread of your camera lens: made for widefield and Milky Way photography with camera and lens.<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-3 is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\"><figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.telescoop.nl\/wp-content\/uploads\/2025\/09\/Optolong-Filters-L-Ultimate-1-25-.jpg\" alt=\"Optolong L-Pro filter 77 mm (objective thread)\" title=\"\"><\/figure><figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.telescoop.nl\/wp-content\/uploads\/2025\/09\/Optolong-Filters-L-Pro-Filter-77mm-1.jpg\" alt=\"Optolong L-Pro filter 77 mm (objective thread)\" title=\"\"><\/figure><figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.telescoop.nl\/wp-content\/uploads\/2025\/09\/Optolong-Filters-L-Pro-Filter-77mm-2.jpg\" alt=\"Optolong L-Pro filter 77 mm (objective thread)\" title=\"\"><\/figure><\/figure>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8d39b2df wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:38%\">\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/www.telescoop.nl\/wp-content\/uploads\/2025\/09\/Optolong-Filters-L-Pro-Filter-77mm-1.jpg\" alt=\"Optolong L-Pro filter 77 mm (objective thread)\" title=\"\"><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:62%\">\n<h4 class=\"wp-block-heading\">Neutral where other filters color<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">More aggressive filters like CLS or UHC give a clear color cast and cost signal on broadband objects. The L-Pro preserves subtle hues and thus also saves processing time.<\/p>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8d39b2df wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:38%\">\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/www.telescoop.nl\/wp-content\/uploads\/2025\/09\/Optolong-Filters-L-Pro-Filter-77mm-2.jpg\" alt=\"Optolong L-Pro filter 77 mm (objective thread)\" title=\"\"><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:62%\">\n<h4 class=\"wp-block-heading\">Solidly built<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">The optical glass is multi-coated against reflections and housed in a thin, black anodized metal ring with laser engraving.<\/p>\n<\/div>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Featured accessories<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">For emission nebulae with maximum contrast, a dual-band filter like the Optolong L-eXtreme is the logical addition.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">For whom yes and for whom no<\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>\u2713 Photographers of galaxies, star clusters, and reflection nebulae<\/li><li>\u2713 Those who want a natural color balance under city lights<\/li><li>\u2717 For exclusively photographing emission nebulae: a dual-band filter provides more contrast<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Specifications<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Type<\/strong><\/td><td>L-Pro broadband light pollution filter<\/td><\/tr><tr><td><strong>Size<\/strong><\/td><td>77 mm (lens thread)<\/td><\/tr><tr><td><strong>Thread<\/strong><\/td><td>M77 x 0.75<\/td><\/tr><tr><td><strong>Color balance<\/strong><\/td><td>Virtually neutral<\/td><\/tr><tr><td><strong>Observation goals<\/strong><\/td><td>Galaxies, star clusters, nebulae, Milky Way<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">You can find more accessories for this merk at the <a href=\"\/en\/brands\/optolong\/\">Optolong merk page<\/a>.<\/p>","protected":false},"excerpt":{"rendered":"<p>Optolong L-Pro broadband light pollution filter with 77mm objective thread. For widefield and Milky Way photography with camera lenses under light-polluted skies.<\/p>","protected":false},"featured_media":28857,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false},"product_brand":[1548],"product_cat":[3139,587,588,56],"product_tag":[],"class_list":["post-28860","product","type-product","status-publish","has-post-thumbnail","product_brand-optolong","product_cat-lichtvervuilingsfilters-light-pollution","product_cat-camera-accessoires","product_cat-filters","product_cat-telescoop-accessoires","product_shipping_class-licht","first","instock","taxable","shipping-taxable","purchasable","product-type-simple"],"bundled_by":[],"bundle_stock_status":"instock","bundle_stock_quantity":null,"bundle_virtual":false,"bundle_layout":"","bundle_add_to_cart_form_location":"","bundle_editable_in_cart":false,"bundle_sold_individually_context":"","bundle_item_grouping":"","bundle_min_size":"","bundle_max_size":"","bundle_price":[],"bundled_items":[],"bundle_sell_ids":[],"acf":[],"jetpack_sharing_enabled":true,"jetpack-related-posts":[{"id":111636,"url":"https:\/\/www.telescoop.nl\/en\/zwo-seestar-s50-pro\/","url_meta":{"origin":28860,"position":0},"title":"ZWO Seestar S50 Pro","author":"Info telescoop","date":"25-08-2026","format":false,"excerpt":"De ZWO Seestar S50 Pro is de opvolger van de Seestar S50: 50 mm quadruplet APO (260 mm, f\/5.2), twee 4K-sensoren van 8,3 MP, een groothoekcamera van 63 graden voor de Melkweg tot 8K, drie ingebouwde filters, 10.000 mAh accu (tot 9 uur) en 128 GB opslag. Vier opnamemodi voor\u2026","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"ZWO Seestar S50 Pro hero","src":"https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2026\/08\/zwo-seestar-s50-pro.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2026\/08\/zwo-seestar-s50-pro.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2026\/08\/zwo-seestar-s50-pro.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2026\/08\/zwo-seestar-s50-pro.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]}],"_links":{"self":[{"href":"https:\/\/www.telescoop.nl\/en\/wp-json\/wp\/v2\/product\/28860","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.telescoop.nl\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.telescoop.nl\/en\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/www.telescoop.nl\/en\/wp-json\/wp\/v2\/comments?post=28860"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.telescoop.nl\/en\/wp-json\/wp\/v2\/media\/28857"}],"wp:attachment":[{"href":"https:\/\/www.telescoop.nl\/en\/wp-json\/wp\/v2\/media?parent=28860"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.telescoop.nl\/en\/wp-json\/wp\/v2\/product_brand?post=28860"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.telescoop.nl\/en\/wp-json\/wp\/v2\/product_cat?post=28860"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.telescoop.nl\/en\/wp-json\/wp\/v2\/product_tag?post=28860"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}